9/16×9-7/16×7
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9/16×9-7/16×7
9/16×9-7/16×7
9/16×9-7/16×7
9/16×9 - 7/16×7
= 1/16×(81 - 49)
= 1/16 × 32
= 2
9/16 x 9 - 7/16 x 7
=(9 x 9 - 7 x 7)/16
=(9+7)(9-7)/16
=(16 x 2)/16
=2
9/16×9-7/16×7
=(9×9-7×7)/16
=(81-49)/16
=32/16
=2
9/16×9-7/16×7
45*7/16+55*9/16能简算吗
简便方法计算:7/16×9-7/16×7
2/9-7/16*2/9(过程)
2/9-16/7×2/9
2/9-7/16×2/9
16/1+16/3+16/5+16/7+16/9/.16/29+16/31
[7/9-(7/9-9/16)]*8/27=多少?
[7/9-(7/9-9/16)]*8/27=多少?
16-9/16-7/16=?用简便方法计算
8/25×9/16+9/25×7/16
9,16,7 16,21,5 4,「」9
9x(4/9+1/16)+7/16
54.2-7/9+4.8-16/9+5/9=
简便计算:18/25*9/16+7/25*9/16+9/16
8-16分之9-24分之7
数字推理 9,1,7,16,()
9/16除以3/7等于?